<template>
    <div class="wrapper">
        <swiper :options="swiperOption" ref="mySwiper" v-if="showSwiper">
            <swiper-slide v-for="item of list" :key="item.id">
                <img class="swiper-img" :src="item.imgUrl" alt="">
            </swiper-slide>
            <div class="swiper-pagination"  slot="pagination"></div>
        </swiper>
    </div>   
</template>
<script>
export default {
    name:'HomeSwiper',
    props:{
        list:Array
    },
    data () {
        return{
            swiperOption:{
                pagination:'.swiper-pagination',
                loop:true,
                autoplay:2000
            }
        }
    },
    computed:{
        showSwiper(){
            return this.list.length
        }
    }
}
</script>
<style lang="stylus" scoped>
.wrapper >>> .swiper-pagination-bullet-active
        background:#fff
.wrapper
    overflow:hidden
    width:100%
    height:0
    padding-bottom:31.25%
    .swiper-img 
        width:100%
        height:31.25vw
</style>